/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1999, 2000, 06 Ralf Baechle (ralf@linux-mips.org) * Copyright (C) 1999, 2000 Silicon Graphics, Inc. */ #ifndef _ASM_SPINLOCK_H #define _ASM_SPINLOCK_H #include <asm/processor.h> #include <asm/qrwlock.h> #include <asm-generic/qspinlock_types.h> #define queued_spin_unlock queued_spin_unlock /** * queued_spin_unlock - release a queued spinlock * @lock : Pointer to queued spinlock structure */ static inline void queued_spin_unlock(struct qspinlock *lock) { /* This could be optimised with ARCH_HAS_MMIOWB */ mmiowb(); smp_store_release(&lock->locked, 0); } #include <asm/qspinlock.h> #endif /* _ASM_SPINLOCK_H */ |